there is no tax increase in the world that will solve our long term debt problem. >> senior political editor mark murray joins me live now from cpac. a few moments ago, i understand, senator rand paul was on the stage behind you. is he still going? >> reporter: they are still going. there is a panel right now as you mentioned. the two big speeches this afternoon from florida senator marco rubio as well as rand paul. both of those people are seen as potential 2016 republicans and that's why we're watching them here. they end up getting a big applause from the conservatives in the audience. both about equal applause. marco rubio was talking about his focus on the middle class and he responded to a lot of liberal critics by saying, the republican party doesn't need new ideas. the idea is the american people. on the other hand, you end up having rand paul who ended up saying the republican party needed a change and change in a way, ad hearing mort to the constitution. taking up the charges his father had. >> it sounds like the different factions inside the party are very much on display a